*2015 International Residential Building Code
Effective August 2, 2016
*2015 International Building Code
Effective September 6, 2016
McHenry County 2030 & Beyond - Press Release - September 12
The updated McHenry County Stormwater Management Ordinance is in effect as of April 5, 2016
The Planning and Development Department processes and issues various types of permits and approvals in unincorporated McHenry County.
If your property is located in a village or city, please contact their office. A list of communities and contacts may be found here.
To direct the orderly development of McHenry County, through the development, implementation, and enforcement of the plans, ordinances, and policies of the County Board, in a manner that assures the health, safety, and welfare of county residents; protects natural and historic resources; and, encourages a harmonious relationship between people, land use, and the environment.